Pocket knife



FIG. 1 is a first perspective view of the knife of the claimed design;

FIG. 2 is a right side view of the knife of FIG. 1;

FIG. 3 is a left side view of the knife of FIG. 1;

FIG. 4 is a top side view of the knife of FIG. 1;

FIG. 5 is a bottom side view of the knife of FIG. 1;

FIG. 6 is a front side view of the knife of FIG. 1; and,

FIG. 7 is a back side view of the knife of FIG. 1. 

CLAIM I claim the ornamental design for a pocket knife, as shown and described. 